JP2622467B2 - Take-up device for winding core in winder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for removing a winding core in a winder which rewinds a winding body while slitting a band such as paper, film, or soft sheet. .

[0002]

2. Description of the Related Art As shown in FIG. 9, a plurality of webs 5 are formed by cutting a strip 2 pulled out from a roll body 1 to a required width by a pair of trimming blades 3 and a plurality of slitter blades 4. In a winder in which each web 5 is wound by a core 7 set between a pair of winding drums 6, both ends of a plurality of cores 7 linearly arranged between the winding drums 6 are arranged along a column 8. There is a shaftless type in which the web 5 is wound up while being supported by a pair of slidably provided chuck devices 9.

In the above-mentioned winder, when the winding diameter of the web 5 wound by the core 7 reaches the set winding diameter, the web roll 10 on which the web is wound is wound on the winding drum 6.
Then, the next core 7 is supplied between the pair of winding drums 6 to continue winding.

As an apparatus for automatically supplying the cores 7 between the winding drums 6, cores having different lengths are stored in a plurality of core storage containers 11 by type, and cores necessary for winding are supported from the core storage container 11 by the cores. Take out one by one on the part 12,
Each time the core 7 is taken out from the core supporting portion 12, the core 7 is sent out to the core input portion 13 provided in the discharge path of the web roll 10, and after the required number of cores 7 are aligned in the core input portion 13, the cores 7 are paired. Is disclosed in Japanese Patent Application Laid-Open No. 2-193847.

[0005]

By the way, in the above-mentioned automatic core supply device, the core 7 in the core storage container 11 is provided.
Are taken out one by one from the lower part of the core storage container 11. When there are many cores 7 in the core storage container 11, the cores 7 are
1 often form a bridge, and the core 7
There was a disadvantage that the books could not be taken out one by one.

An object of the present invention is to solve the above-mentioned disadvantages and to provide a take-up core take-out device capable of taking out cores in a container one by one without fail.

[0007]

In order to solve the above-mentioned problems, according to the present invention, a core holder capable of holding and releasing a core in a core container, and the core holder is moved in a vertical direction. A linear slide device for the Z axis,
An X-axis linear slide device that reciprocates the Z-axis linear slide device in a direction perpendicular to the axis of the core held by the core holder is adopted.

Here, the core holder may be one that sucks the core with a suction disk, or one that holds the core with a pair of holding claws opened and closed by a cylinder.

[0009]

In the take-out device having the above structure, the core holder is moved to a designated position on the core container by the operation of the X-axis linear slide device, and the core holder is operated by the Z-axis linear slide device. After the core is held in the core container, the core is moved up, and the core is transported to a predetermined position outside the core container by the operation of the X-axis linear slide device to release the holding.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

As shown in FIGS. 1 and 2, for example,
A case where the cores 7 stored in the plurality of core containers 20 are successively taken out one by one on the pre-table 30 by the take-out device 50 according to the present invention will be described.

Here, the pre-table 30 is inclined with a downward gradient in one direction, and the core supporting portion 12 provided at a low step portion thereof is connected to the core input portion 13 of the winder shown in FIG.

The core 7 removed from the core container 20
Is discharged to the high step portion of the pre-table 30. This core 7
Is rolled along the inclination of the pre-table 30, and the first stopper 31 and the second stopper 3
Stopped by contact with 2.

The first stopper 31 and the second stopper 32 are fixed to shafts 33 and 34, respectively, and the shafts 33 and 34 are rotated forward and backward by cylinders 35 and 36, respectively. The first stoppers 31 and the second stoppers 32 are alternately opened and closed, and the cores 7 are supplied to the core support 12 one by one by the opening and closing.

On the other hand, as shown in FIGS. 5 and 6, the core supporting portion 12 is composed of two rails 40, 40 arranged in parallel, and each rail 40 has an inclined surface 41. The core 7 is supported. The core 7 supplied to the core support unit 12 is sent out to the core insertion unit 13 by the operation of the core insertion device 42.

The core insertion device 42 rotates a screw shaft (not shown) incorporated in a cylindrical main body frame 44 by driving a servo motor 43, and mounts a carriage 45 on a nut screw-engaged with the screw shaft. , This carriage 45
Pusher 4 on the piston rod of cylinder 46 connected to
The carriage 45 is reciprocated each time the core 7 is supplied to the core support section 12 and the core 7 is pushed out to the core insertion section 13 by the pusher 47, and a predetermined number of cores 7 are aligned in the core insertion section 13. When the plurality of cores 7 are aligned, the pusher 47 is moved forward by the operation of the cylinder 46.
Is pressed against a reference stopper 48 shown in FIG.

As shown in FIG. 2, the core container 20 containing the core 7 has a caster 21 at a lower portion, and can be transported to an arbitrary position. This core container 2
A plurality of ridges 23 are provided on the bottom plate member 0 so that a large number of cores 7 can be housed in a regular state in which the cores 7 are staggered in the vertical direction.

Here, cores 7 having different lengths are accommodated in a plurality of core containers 20 by type, and when the length of the cores 7 is less than half the length of the core containers 20, It is stored in two rows, and if less than 1/3, it is stored in three rows. These containers 20 are fixed to one side by a stopper device not shown.

As shown in FIG. 2, the take-out device 50 for taking out the cores 7 in the core container 20 one by one includes two sets of X-axis linear slide devices 51a and 51b, a single Y-axis linear slide device 52 and It has a single Z-axis linear slide device 53.

Each of the linear slide devices 51a, 51b, 5
Since the components 2 and 53 have the same configuration, the configuration of the X-axis linear slide device 51a will be described below. The other linear slide devices 52 and 53 have the same components as the X-axis linear slide device 51a. And the description is omitted.

The linear slide device 51a for X-axis is shown in FIG.
As shown in FIG. 8, a screw shaft 55 is incorporated in a rectangular cylindrical main body frame 54 and rotatably supported, and a carriage 57 is attached to a nut 56 screwed to the screw shaft 55. The carriage 57 is rotated by the rotation of the shaft 55.
Is moved along the outer periphery of the main body frame 54.

In the linear slide device having the above configuration, two sets of X-axis linear slide devices 51a and 51 are provided.
As shown in FIGS. 1 and 2, b is disposed at the upper part on both sides of the core containers 20 arranged in one direction, and both ends of the main body frame 54 are supported by bearings 59 on the upper parts of the pillars 58 rising from the floor surface. .

A gear box 60 is mounted on a bearing 59 supporting one end of the main body frame 54, and a transmission shaft 61 is installed between the gear boxes 60. Transmission shaft 61
Is rotated by a servomotor 62, and the rotation is transmitted to the screw shaft 55 of each linear slide device 51a, 51b via a gear (not shown) incorporated in the gear box 60. Therefore, the carriages 57 of the two sets of linear slide devices 51a and 51b are simultaneously moved by the same distance in the X-axis direction in FIG.

Two sets of X-axis linear slide devices 51a,
A bearing 63 is mounted on the carriage 57 of 51b,
Both ends of the body frame 54 of the Y-axis linear slide device 52 are supported by the bearings 63. The screw shaft 55 of the Y-axis linear slide device 52 is rotated by a servomotor 64 connected to its end, and the rotation of the screw shaft 55 moves the carriage 57 in the Y-axis direction in FIG.

The carriage 57 of the Z-axis linear slide device 53 is connected to the carriage 57 of the Y-axis linear slide device 52.

Screw shaft 5 of Z axis linear slide device 53
5 is rotated by a servo motor 65 and its screw shaft 5
By one rotation of 5, the main body frame 54 is moved in the Z-axis direction in FIG.

As shown in FIGS. 3 and 4, a core 7 is provided at the lower end of the main frame 54 of the Z-axis linear slide device 53.
Is attached. Here, a suction head 71 is attached to the lower end of the main body frame 54 as the core holder 70, and a pump 72 and a plurality of suction disks 73 to which suction force is applied by driving the pump 72 are attached to the suction head 71. , The suction head 71
When the touch sensor 74 attached to the core 7 touches the core 7, the pump 72 is driven to apply a suction force to the suction board 73, and the suction board 73 sucks and holds the core 7. However, the present invention is not limited to this.

For example, a pair of holding claws may be attached to the lower end of the main body frame 54, and the holding claws may be opened and closed by a cylinder to hold the core.

The take-out device 50 having the above-described configuration uses the position where the core holder 70 stops on the pre-table 30 as a reference position, and moves the core holder 70 that stops at the reference position to the X-axis linear slide device 51a. By driving the servo motors 62 and 64 of the linear slide device 51b and the Y-axis linear slide device 52, the sliders are moved in the X-axis direction and the Y-axis direction to a designated position on one core container 20, and then the Z-axis The servo motor 65 of the linear slide device 52 is driven to move in the Z-axis direction, and the core 7 is held by the core holder 70.

After holding the core 7, the Z-axis linear slide device 53, the Y-axis linear slide device 52, and the X-axis linear slide devices 51a and 51b are sequentially operated to move the core holder 70 to the reference position. Thereafter, the holding of the core 7 is released, and the core 7 is discharged onto the pre-table 30.

As in the embodiment, a plurality of core containers 20
When cores of different types are regularly arranged in each container 20, the core holder 70 is predetermined based on the arrangement of the core containers 20 and the arrangement order of the cores 7 of the core containers 20. The position is controlled in accordance with the program, and the cores 7 in the core container 20 are taken out one by one from the top.

In the embodiment shown in FIGS. 1 and 2, the core 7 taken out of the core
As shown in FIG. 8, the core 7 taken out by the take-out device 50 is discharged onto the inclined base 80, and the core 7 stopped at the lower end of the inclined base 80 is bucketed as shown in FIG. The cores 7 may be received by the buckets 82 of the conveyor 81 and conveyed upward, and the cores 7 may be discharged onto the pre-table 30 by the operation of the bucket 82 being inverted at the upper part of the bucket conveyor 81.

In the case of the embodiment, the core holder 70 is also moved in the Y-axis direction by the Y-axis linear slide device 52 so that the double-row cores 7 accommodated in the core container 20 can be taken out one by one. However, when the cores 7 accommodated in the core container 20 are stacked in a single row, when the cores 7 are taken out, instead of the Y-axis linear slide device 52, the X-axis linear slide devices 51a, 51
1b, a plate-shaped carriage is mounted between the carriages 57,
The carriage 57 connects the carriage 57 of the Z-axis linear slide device 53.

The linear slide device is a device that moves the carriage linearly, and includes a belt mechanism in which a timing belt is stretched between a pair of toothed buries, a rodless cylinder, and a chain that stretches between a pair of sprockets. Chain mechanism etc.

[0035]

As described above, in the unloading device according to the present invention, the cores housed in the core container are taken out from the upper part of the container. Can be taken out reliably.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a take-out device according to the present invention.

FIG. 2 is a partially cutaway front view of the above.

FIG. 3 is a longitudinal sectional front view showing a core holding unit of the take-out device of the above.

FIG. 4 is a side view of the above.

FIG. 5 is a cross-sectional view showing the core support unit according to the first embodiment;

6 is a right side view of FIG.

FIG. 7A is a partially cutaway perspective view showing the X-axis linear slide device of the above, and FIG.

FIG. 8 is a cross-sectional view showing another example of the transfer device that transfers the core taken out by the take-out device to the core supporter.

FIG. 9 is a perspective view of a winder.

[Explanation of symbols]

 51a, 5b Linear slide device for X axis 53 Linear slide device for Z axis 57 Carriage 70 Core holder

Claims (1)

(57) [Claims] An apparatus for removing a winding core in a winder for continuously taking out many cores regularly stored in a core container one by one, comprising: a core holder capable of holding and releasing the core. A Z-axis linear slide device for moving the core holder vertically, and an X-axis linear device for reciprocating the Z-axis linear slide device in a direction orthogonal to the axis of the core held by the core holder. A take-up device for a winding core in a winder comprising a slide device.